If it is the practice in your company or in your region to exchange gifts around the holiday season or at any time, I would like to draw your attention to guidelines below as to what is acceptable.

如果在贵公司或者是贵公司所在的地区有在节假日或任何其他时间交换礼物的做法，我希望贵公司按照下面的原则来了解什么样的行为对于我们来说是可接受的。

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Similarly, practice guidelines and people who use them draw conclusions about the strength of recommendations, either implicitly or explicitly.

同样地，政策制定者和执行者也能利用它对推荐的力度得出自己的结论，或者含蓄或者明确。

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Second, most of the world's clinical evidence does not come from China. Few results from China have been included in systematic reviews or clinical practice guidelines.

那么，为何在国际医学领域却少有来自我国的临床研究数据及证据呢？

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Dr. James Perrin, the director of the division of general pediatrics at the Mass General Hospital for Children in Boston, says it takes more than one doctor's visit to get an ADHD diagnosis right. (Perrin helped write guidelines for diagnosing ADHD in general practice or family practice settings, which were published in 2000, but did not participate in Garland's study).

CNN: Youngest kids in class more likely to be diagnosed with ADHD